Home / 7,065.15-10,598.64-2,135.28

Finding the Fourth Proportional to 7,065.15, 10,598.64 and 2,135.28

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Solution

The fourth proportional to 7,065.15, 10,598.64 and 2,135.28 is: 3,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.15 : 10,598.64 = 2,135.28 : x
  2. Step 2: Convert to fraction form
    7,065.15/10,598.64 = 2,135.28/x
  3. Step 3: Cross multiply
    7,065.15x = 10,598.64 × 2,135.28
  4. Step 4: Simplify right side
    7,065.15x = 22,631,064.02
  5. Step 5: Solve for x
    x = 22,631,064.02/7,065.15
  6. Step 6: Final answer
    x = 3,203.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.